/* ============================================
   AMAZONIA — calculadora.css
   Módulo 4: Calculadora de Rentabilidad FBA
   ============================================ */

/* ──────────────────────────────────────────
   CONTENEDOR PRINCIPAL
────────────────────────────────────────── */

.calc-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

/* ──────────────────────────────────────────
   CABECERA
────────────────────────────────────────── */

.calc-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.calc-titulo {
    font-size: clamp(1.4rem, 4vw, 2rem);
    font-weight: 800;
    color: var(--color-text-primary);
    margin: .75rem 0 .5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
}

.calc-titulo i {
    color: var(--color-primary);
    font-size: .9em;
}

.calc-subtitulo {
    color: var(--color-text-muted);
    font-size: .95rem;
    max-width: 560px;
    margin: 0 auto .5rem;
    line-height: 1.6;
}

/* Chip de contador */
.contador-calc-chip {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(0, 230, 118, .1);
    border: 1px solid rgba(0, 230, 118, .25);
    color: var(--color-primary);
    font-size: .82rem;
    font-weight: 600;
    padding: .35rem .9rem;
    border-radius: 2rem;
    margin-bottom: .75rem;
}

/* ──────────────────────────────────────────
   LEYENDA SEMÁFORO
────────────────────────────────────────── */

.calc-leyenda {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    font-size: .8rem;
    color: var(--color-text-muted);
}

.leyenda-item {
    display: flex;
    align-items: center;
    gap: .4rem;
}

.leyenda-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.leyenda-dot.margen-bueno { background: #00e676; }
.leyenda-dot.margen-medio { background: #ffb300; }
.leyenda-dot.margen-malo  { background: #ff5252; }

/* ──────────────────────────────────────────
   GRID DE TARJETAS
────────────────────────────────────────── */

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 760px) {
    .calc-swipe-bar {
        display: flex;
    }

    .calc-grid {
        display: flex;
        flex-direction: row;
        overflow-x: scroll;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 1rem;
        /* Ocultar scrollbar nativo */
        scrollbar-width: none;
    }

    .calc-grid::-webkit-scrollbar {
        display: none;
    }

    .calc-card {
        min-width: calc(90vw - 2.5rem);
        scroll-snap-align: start;
        flex-shrink: 0;
    }
}

/* ──────────────────────────────────────────
   TARJETA DE PRODUCTO
────────────────────────────────────────── */

.calc-card {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.calc-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calc-card-label {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--color-primary);
}

.calc-reset-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .12);
    color: var(--color-text-muted);
    font-size: .75rem;
    padding: .3rem .7rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: .35rem;
    transition: border-color .2s, color .2s;
}

.calc-reset-btn:hover {
    border-color: rgba(0, 230, 118, .4);
    color: var(--color-primary);
}

/* ──────────────────────────────────────────
   INPUTS
────────────────────────────────────────── */

.calc-inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.calc-field.calc-field-full {
    grid-column: 1 / -1;
}

.calc-field label {
    font-size: .78rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.calc-input-wrap {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color .2s;
}

.calc-input-wrap:focus-within {
    border-color: var(--color-primary);
}

.calc-unit {
    padding: 0 .65rem;
    font-size: .82rem;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, .04);
    border-right: 1px solid rgba(255, 255, 255, .08);
    height: 100%;
    display: flex;
    align-items: center;
    min-height: 38px;
    user-select: none;
}

.calc-input-wrap input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
    font-size: .9rem;
    font-family: inherit;
    padding: .5rem .65rem;
    min-width: 0;
    -moz-appearance: textfield;
}

.calc-input-wrap input::-webkit-inner-spin-button,
.calc-input-wrap input::-webkit-outer-spin-button {
    opacity: 0.4;
}

/* ──────────────────────────────────────────
   RESULTADOS
────────────────────────────────────────── */

.calc-results {
    animation: fadeIn .25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.calc-results-inner {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

/* ── Métricas ── */
.calc-metricas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .6rem;
}

.calc-metrica {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: 10px;
    padding: .7rem .9rem;
    text-align: center;
}

.calc-metrica.calc-metrica-grande {
    grid-column: 1 / -1;
    background: rgba(0, 230, 118, .06);
    border-color: rgba(0, 230, 118, .2);
}

.calc-metrica-valor {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.calc-metrica-grande .calc-metrica-valor {
    font-size: 1.5rem;
}

.calc-metrica-label {
    font-size: .72rem;
    color: var(--color-text-muted);
    margin-top: .25rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* Color semáforo */
.calc-metrica.margen-bueno {
    background: rgba(0, 230, 118, .07);
    border-color: rgba(0, 230, 118, .2);
}

.calc-metrica.margen-bueno .calc-metrica-valor { color: #00e676; }

.calc-metrica.margen-medio {
    background: rgba(255, 179, 0, .07);
    border-color: rgba(255, 179, 0, .2);
}

.calc-metrica.margen-medio .calc-metrica-valor { color: #ffb300; }

.calc-metrica.margen-malo {
    background: rgba(255, 82, 82, .07);
    border-color: rgba(255, 82, 82, .2);
}

.calc-metrica.margen-malo .calc-metrica-valor { color: #ff5252; }

/* ── Barra de desglose ── */
.calc-desglose {
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: 10px;
    padding: .9rem;
}

.calc-desglose-titulo {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--color-text-muted);
    margin-bottom: .6rem;
    font-weight: 600;
}

.calc-barra-wrap {
    margin-bottom: .65rem;
}

.calc-barra {
    display: flex;
    height: 14px;
    border-radius: 7px;
    overflow: hidden;
    background: rgba(255, 255, 255, .05);
}

.calc-barra-seg {
    height: 100%;
    transition: width .35s ease;
    min-width: 0;
}

.seg-coste  { background: #ef5350; }
.seg-envio  { background: #ff7043; }
.seg-comis  { background: #ffa726; }
.seg-fba    { background: #ffee58; }
.seg-ppc    { background: #ab47bc; }
.seg-otros  { background: #78909c; }
.seg-benef  { background: #00e676; }

.calc-leyenda-barra {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem .75rem;
    font-size: .72rem;
    color: var(--color-text-muted);
}

.calc-leyenda-barra .dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: .2rem;
}

/* ── Insight ── */
.calc-insight {
    font-size: .83rem;
    color: var(--color-text-muted);
    background: rgba(0, 230, 118, .06);
    border: 1px solid rgba(0, 230, 118, .15);
    border-radius: 10px;
    padding: .6rem .9rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.calc-insight i {
    color: var(--color-primary);
    flex-shrink: 0;
}

.calc-insight strong { color: var(--color-text-primary); }

.calc-insight.calc-insight-warn {
    background: rgba(255, 82, 82, .06);
    border-color: rgba(255, 82, 82, .2);
}

.calc-insight.calc-insight-warn i { color: #ff5252; }

/* ──────────────────────────────────────────
   SECCIÓN COMPARACIÓN
────────────────────────────────────────── */

.calc-comparacion {
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
}

.calc-comparacion-titulo {
    font-size: .95rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.calc-comparacion-titulo i {
    color: var(--color-secondary);
}

.comp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}

.comp-table thead th {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
    font-weight: 700;
    padding: .5rem .75rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.comp-th-label {
    text-align: left !important;
}

.comp-table tbody td {
    padding: .55rem .75rem;
    border-bottom: 1px solid rgba(255, 255, 255, .05);
    text-align: center;
    color: var(--color-text-muted);
}

.comp-table tbody tr:last-child td {
    border-bottom: none;
}

.comp-table tbody td:first-child {
    text-align: left;
    color: var(--color-text-primary);
    font-size: .83rem;
}

.comp-val {
    font-weight: 600;
    color: var(--color-text-muted);
}

.comp-val.comp-ganador {
    color: var(--color-primary) !important;
    font-weight: 800;
}

.comp-val.comp-ganador::after {
    content: ' ✓';
    font-size: .75em;
    opacity: .8;
}

/* ──────────────────────────────────────────
   SWIPE BAR (solo visible en móvil)
────────────────────────────────────────── */

.calc-swipe-bar {
    display: none; /* visible solo en móvil — ver @media abajo */
    align-items: center;
    gap: .5rem;
    margin-bottom: .75rem;
    padding: 0 .25rem;
}

.calc-swipe-tab {
    flex: 1;
    padding: .45rem .5rem;
    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, .1);
    background: rgba(255, 255, 255, .04);
    color: var(--color-text-muted);
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background .2s, border-color .2s, color .2s;
}

.calc-swipe-tab.activo {
    background: rgba(0, 230, 118, .12);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.calc-swipe-hint {
    font-size: .72rem;
    color: var(--color-text-muted);
    opacity: .6;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: .3rem;
    flex-shrink: 0;
}

/* ──────────────────────────────────────────
   SELECTOR DE PAÍS
────────────────────────────────────────── */

.calc-pais-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.calc-pais-label {
    font-size: .8rem;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-right: .25rem;
}

.calc-pais-btn {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .12);
    color: var(--color-text-muted);
    font-size: .82rem;
    font-weight: 600;
    padding: .35rem .85rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: background .2s, border-color .2s, color .2s;
    letter-spacing: .02em;
}

.calc-pais-btn:hover {
    border-color: rgba(0, 230, 118, .35);
    color: var(--color-text-primary);
}

.calc-pais-btn.activo {
    background: rgba(0, 230, 118, .15);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ──────────────────────────────────────────
   SECCIÓN DIMENSIONES
────────────────────────────────────────── */

.calc-dims-section {
    background: rgba(41, 121, 255, .05);
    border: 1px solid rgba(41, 121, 255, .15);
    border-radius: 12px;
    padding: .9rem 1rem;
    display: flex;
    flex-direction: column;
    gap: .65rem;
}

.calc-dims-header {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
}

.calc-dims-title {
    font-size: .8rem;
    font-weight: 700;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: .35rem;
}

.calc-dims-title i {
    color: var(--color-secondary);
    font-size: .85em;
}

.calc-dims-hint {
    font-size: .72rem;
    color: var(--color-text-muted);
    opacity: .75;
}

.calc-dims-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .5rem;
}

.calc-dim-field {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

.calc-dim-field label {
    font-size: .72rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.calc-dim-wrap {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color .2s;
}

.calc-dim-wrap:focus-within {
    border-color: var(--color-secondary);
}

.calc-dim-wrap input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
    font-size: .82rem;
    font-family: inherit;
    padding: .4rem .45rem;
    min-width: 0;
    -moz-appearance: textfield;
}

.calc-dim-wrap input::-webkit-inner-spin-button,
.calc-dim-wrap input::-webkit-outer-spin-button {
    opacity: 0.3;
}

.calc-dim-unit {
    padding: 0 .4rem;
    font-size: .7rem;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, .04);
    border-left: 1px solid rgba(255, 255, 255, .08);
    min-height: 32px;
    display: flex;
    align-items: center;
    user-select: none;
    white-space: nowrap;
}

/* Badge de tier detectado */
.calc-tier-badge {
    font-size: .75rem;
    color: var(--color-text-muted);
    padding: .35rem .6rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .07);
    display: flex;
    align-items: center;
    gap: .4rem;
    transition: background .25s, border-color .25s, color .25s;
}

.calc-tier-badge.calc-tier-detectado {
    background: rgba(0, 230, 118, .08);
    border-color: rgba(0, 230, 118, .25);
    color: var(--color-primary);
    font-weight: 600;
}

.calc-tier-badge.calc-tier-detectado i { color: var(--color-primary); }

.calc-tier-badge.calc-tier-error {
    background: rgba(255, 82, 82, .07);
    border-color: rgba(255, 82, 82, .2);
    color: #ff7070;
}

/* ──────────────────────────────────────────
   SELECT DE CATEGORÍA
────────────────────────────────────────── */

.calc-select {
    width: 100%;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 10px;
    color: var(--color-text-primary);
    font-size: .88rem;
    font-family: inherit;
    padding: .5rem .75rem;
    outline: none;
    cursor: pointer;
    appearance: auto;
    transition: border-color .2s;
}

.calc-select:focus {
    border-color: var(--color-primary);
}

.calc-select option {
    background: #1a1f3a;
    color: var(--color-text-primary);
}

/* ──────────────────────────────────────────
   BADGE AUTO
────────────────────────────────────────── */

.calc-auto-badge {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    font-size: .65rem;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(0, 230, 118, .12);
    border: 1px solid rgba(0, 230, 118, .3);
    padding: .1rem .45rem;
    border-radius: 2rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    vertical-align: middle;
    margin-left: .35rem;
}

.calc-auto-badge i { font-size: .6rem; }

/* ──────────────────────────────────────────
   DISCLAIMER
────────────────────────────────────────── */

.calc-disclaimer {
    font-size: .75rem;
    color: var(--color-text-muted);
    opacity: .65;
    text-align: center;
    max-width: 680px;
    margin: 1.25rem auto 0;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: .4rem;
    justify-content: center;
}

.calc-disclaimer i {
    color: var(--color-secondary);
    opacity: .8;
    flex-shrink: 0;
    margin-top: .15rem;
}

/* ──────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────── */

@media (max-width: 600px) {
    .calc-dims-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .calc-inputs-grid {
        grid-template-columns: 1fr;
    }

    .calc-field.calc-field-full {
        grid-column: 1;
    }

    .calc-metricas {
        grid-template-columns: 1fr 1fr;
    }

    .calc-dims-row {
        grid-template-columns: repeat(2, 1fr);
    }
}